DDVP tail rotor pitch actuator not working correctly

[Ferruccio1984]

Bug report

Issue details

_During setup of a customer helicopter with DDVP tail rotor type, it has been found out that tail rotor pitch actuator is not working. Log image attached below shows output 4(tail pitch servo) non correct behavior. _

Version 4.5.6

Platform [ ] All [ ] AntennaTracker [ x ] Copter [ ] Plane [ ] Rover [ ] Submarine

Airframe type Helicopter

Hardware type tested on a CubeOrange and on SITL

Logs Please provide a link to any relevant logs that show the issue